cmake: Build minisketch static library

Author: hebasto

CMakeLists.txt

@@ -100,6 +100,7 @@ include(cmake/introspection.cmake)
 
 include(cmake/crc32c.cmake)
 include(cmake/leveldb.cmake)
+include(cmake/minisketch.cmake)
 
 include(CheckStdFilesystem)
 check_std_filesystem()

cmake/minisketch.cmake

@@ -0,0 +1,71 @@
+# Copyright (c) 2023 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+# Check for clmul instructions support.
+if(MSVC)
+  set(CLMUL_CXXFLAGS)
+else()
+  set(CLMUL_CXXFLAGS -mpclmul)
+endif()
+check_cxx_source_compiles_with_flags("${CLMUL_CXXFLAGS}" "
+  #include <immintrin.h>
+  #include <cstdint>
+
+  int main()
+  {
+    __m128i a = _mm_cvtsi64_si128((uint64_t)7);
+    __m128i b = _mm_clmulepi64_si128(a, a, 37);
+    __m128i c = _mm_srli_epi64(b, 41);
+    __m128i d = _mm_xor_si128(b, c);
+    uint64_t e = _mm_cvtsi128_si64(d);
+    return e == 0;
+  }
+  " HAVE_CLMUL
+)
+
+add_library(minisketch_defs INTERFACE)
+target_compile_definitions(minisketch_defs INTERFACE
+  DISABLE_DEFAULT_FIELDS
+  ENABLE_FIELD_32
+  $<$<AND:$<BOOL:${HAVE_BUILTIN_CLZL}>,$<BOOL:${HAVE_BUILTIN_CLZLL}>>:HAVE_CLZ>
+)
+
+if(HAVE_CLMUL)
+  add_library(minisketch_clmul OBJECT EXCLUDE_FROM_ALL
+    ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/clmul_1byte.cpp
+    ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/clmul_2bytes.cpp
+    ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/clmul_3bytes.cpp
+    ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/clmul_4bytes.cpp
+    ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/clmul_5bytes.cpp
+    ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/clmul_6bytes.cpp
+    ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/clmul_7bytes.cpp
+    ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/clmul_8bytes.cpp
+  )
+  target_compile_definitions(minisketch_clmul PUBLIC HAVE_CLMUL)
+  target_compile_options(minisketch_clmul PRIVATE ${CLMUL_CXXFLAGS})
+  target_link_libraries(minisketch_clmul PRIVATE minisketch_defs)
+endif()
+
+add_library(minisketch STATIC EXCLUDE_FROM_ALL
+  ${PROJECT_SOURCE_DIR}/src/minisketch/src/minisketch.cpp
+  ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/generic_1byte.cpp
+  ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/generic_2bytes.cpp
+  ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/generic_3bytes.cpp
+  ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/generic_4bytes.cpp
+  ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/generic_5bytes.cpp
+  ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/generic_6bytes.cpp
+  ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/generic_7bytes.cpp
+  ${PROJECT_SOURCE_DIR}/src/minisketch/src/fields/generic_8bytes.cpp
+)
+
+target_include_directories(minisketch
+  PUBLIC
+    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src/minisketch/include>
+)
+
+target_link_libraries(minisketch
+  PRIVATE
+    minisketch_defs
+    $<TARGET_NAME_IF_EXISTS:minisketch_clmul>
+)